The next Berlin Hackweekend is planned for July 12/13 2014. More information in the OSM wiki.

After nearly 4 years and almost 100 Weekly OSM Summary posts, we would like to announce our retirement as editors from this service. Thank you for all your suggestions and submissions to the blog over the years! We hope that other volunteers will be willing to continue this service for the OSM community in the near future. We will officially end our endeavor with the 100th Weekly OSM Summary in a few weeks. This announcement does not imply that we will stop contributing to the OSM project or that we won’t conduct other data analyses in the future. Feel free to check out Pascal’s blog at neis-one.org in the future for any updates. Thanks. Pascal and Dennis